﻿using System;
using System.Net;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Ink;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Shapes;
using System.Windows.Data;
using System.Collections.Generic;

namespace PhotoGallery.Controls.Converter
{
    public class StringDictionaryConverter : IValueConverter
    {
        public string ValueType { get; set; }

        #region IValueConverter Members

        public object Convert(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
        {
            Type generic = typeof(Dictionary<,>);
            Type[] typeArgs = new Type[] { typeof(string), Type.GetType(ValueType) };
            Type dictType = generic.MakeGenericType(typeArgs);

            if (dictType.IsInstanceOfType(value))
            {
                return dictType.GetMethod("get_Item").Invoke(value, new object[] { parameter });
            }

            throw new InvalidCastException(string.Format("Dictionary is not of type Dictionary<stirng,{0}>.", ValueType));

        }

        public object ConvertBack(object value, Type targetType, object parameter, System.Globalization.CultureInfo culture)
        {
            throw new NotImplementedException();
        }

        #endregion
    }
}
